CN219547446U - Rail fixing device for track traffic - Google Patents

Abstract

The utility model relates to a rail fixing device for rail transit, which relates to the technical field of rail fixing, and aims to solve the problem that abrasion is likely to occur between a pressing mechanism and a rail due to long-term use, and the rail fixing device comprises a rail foundation plate, wherein the rail is arranged on the rail foundation plate, and is characterized in that: be provided with a plurality of pressure plates on the track foundation plate, a plurality of the pressure plates set up respectively in rail width direction's both sides, the butt end of pressure plate is provided with the elasticity tongue that presses that is used for buffering, the elasticity tongue that presses is supported tightly on the rail bottom of rail, every all be provided with on the pressure plate be used for with the fixed coupling assembling of track foundation plate. The utility model has the advantages of prolonged service life and reliable fixation.

Description

Rail fixing device for track traffic

Technical Field

The utility model relates to the technical field of rail fixing, in particular to a steel rail fixing device for rail transit.

Background

Rail traffic refers to a type of transportation means or transportation system in which an operating vehicle needs to travel on a specific track, and with the diversified development of train and railway technologies, the rail traffic is of more and more types, and is not only transported over long-distance lands, but also widely applied to medium-short-distance urban public transportation; rails are the main component of a railway track and function to guide the wheels of a rolling stock to advance, bear the great pressure of the wheels and transmit to the sleeper. The rails must provide a continuous, smooth, and least resistant rolling surface for the wheels.

The related patent of the prior art issued publication number CN204298693U provides a steel rail fixing device, which comprises a supporting bottom plate, two steel rails which are arranged at equal intervals and a pressing mechanism for pressing the bottoms of the steel rails on the supporting bottom plate, wherein a pushing mechanism for limiting the positions of the two steel rails is also arranged between the waists of the two steel rails, the pushing mechanism is provided with a supporting plate which is vertically arranged and a positioning plate which is horizontally arranged, one end of the positioning plate is fixedly connected with the supporting plate, the other end of the positioning plate is pushed against the waist of the other steel rail, a reinforcing plate is also connected on the supporting plate below the positioning plate, the two reinforcing plates are mutually parallel and are positioned at two sides of the supporting plate, positioning holes are arranged on the supporting plate between the two reinforcing plates, fixing holes are arranged at the positions corresponding to the positioning holes at the waists of the steel rails, and positioning bolts are connected between the positioning holes and the fixing holes; the rail is fixed more firmly by the combined action of the pressing mechanism and the jacking mechanism.

In carrying out the present utility model, the inventors have found that at least the following problems exist in this technology: because rail and hold-down mechanism are in the state of compressing tightly for a long time, can produce wearing and tearing between hold-down mechanism contact surface and the rail to lead to hold-down mechanism's clamping force not enough, lead to the fact producing not hard up between hold-down mechanism and the rail, make the rail appear the possibility of displacement, and have the potential safety hazard.

Disclosure of Invention

The utility model provides a rail fixing device for rail traffic, which aims to solve the problem that abrasion is likely to occur between a pressing mechanism and a rail due to long-term use.

The utility model provides a steel rail fixing device for track traffic, which adopts the following technical scheme:

the utility model provides a rail fixing device for track traffic, includes the track foundation plate, the rail sets up on the track foundation plate, its characterized in that: be provided with a plurality of pressure plates on the track foundation plate, a plurality of the pressure plates set up respectively in rail width direction's both sides, the butt end of pressure plate is provided with the elasticity tongue that presses that is used for buffering, the elasticity tongue that presses is supported tightly on the rail bottom of rail, every all be provided with on the pressure plate be used for with the fixed coupling assembling of track foundation plate.

Because the steel rail and the pressing mechanism are in a pressing state for a long time, the contact surface of the pressing mechanism and the steel rail can be worn, so that the pressing force of the pressing mechanism is insufficient, looseness is generated between the pressing mechanism and the steel rail, the steel rail is displaced, and potential safety hazards exist; by adopting the technical scheme, the plurality of compression plates are arranged on the track foundation plate and fixed on the track foundation plate through the connecting component, and the plurality of compression plates are abutted against the upper surface of the rail bottom of the steel rail through the elastic compression tongue; through the setting of pressure strip, elasticity pressure tongue and coupling assembling, avoid the direct contact between pressure strip and the rail, thereby elasticity pressure tongue is through elastic deformation buffering the rigidity extrusion that produces when passing through the rail to the driving, reduce the pressure strip and appear warping or wearing and tearing possibility, extension pressure strip's life reduces the frequent change and the maintenance of pressure strip, and is fixed reliably simultaneously, reduces not hard up between rail and the pressure strip and leads to the rail to appear the possibility of displacement, has improved the security when the driving passes through the rail.

Optionally, be provided with the installation cutting on the end wall of elasticity tongue, the installation cutting sets up along the length direction of elasticity tongue, set up the installation spout that supplies the installation cutting to insert on the pressure strip.

By adopting the technical scheme, the installation cutting is integrally formed on the end wall of the elastic pressing tongue and inserted into the installation chute of the pressing plate, so that the elastic pressing tongue is fixed on the pressing plate; through the setting of installation cutting and installation spout, help realizing the detachable setting of elasticity pressure tongue, be convenient for realize the dismouting of elasticity pressure tongue, change the elasticity pressure tongue of different thickness when conveniently fixing the rail of different specifications, convenient operation.

Optionally, the one end that the elasticity tongue of pressing was kept away from to the installation cutting is provided with anticreep wide strip, the width of anticreep wide strip is greater than the width of installation cutting, the anticreep slot has been seted up on the diapire of installation spout, the installation cutting is inserted and is established on the inner wall of anticreep slot, and with the inner wall interference fit of anticreep slot.

By adopting the technical scheme, one end of the mounting cutting is integrally formed with the anti-falling wide strip, and the anti-falling wide strip is inserted into the anti-falling slot; through the setting of anticreep wide strip, the width of anticreep wide strip is greater than the width of installation cutting, has further improved the stability of the installation of installation cutting, reduces the possibility that installation cutting deviate from in the installation spout.

Optionally, a reserved cavity for elastic deformation of the elastic pressing tongue is formed in the elastic pressing tongue.

By adopting the technical scheme, a reserved cavity is formed in the elastic pressing tongue; through the setting of reserving the cavity, help improving the ability of elasticity tongue elastic deformation, guaranteed the cushioning effect of elasticity tongue, further prolonged the life of pressure strip.

Optionally, a groove for embedding the steel rail is formed in the upper surface of the track foundation plate, and the depth of the groove is smaller than the height of the bottom of the steel rail.

By adopting the technical scheme, the groove is formed in the track foundation plate, and the rail bottom of the steel rail is embedded in the groove; through the arrangement of the grooves, the positions of the steel rails are further limited, the possibility of deflection of the steel rails is reduced, and the safety of traveling crane passing through the steel rails is improved.

Optionally, coupling assembling includes connecting screw and coupling nut, the countersink has been seted up on the track foundation plate, the through-hole has been seted up in the running through on the pressure strip, the inner wall of through-hole is linked together with the inner wall in countersink, connecting screw sets up in the countersink, the coupling screw passes the inner wall of through-hole and extends towards the pressure strip outside, coupling nut and coupling screw threaded connection, coupling nut supports tightly at the upper surface of pressure strip.

By adopting the technical scheme, the connecting component consists of a connecting screw rod and a connecting nut; when the compression plate is installed, the connecting screw rod is prefabricated in the counter bore, the connecting screw rod penetrates through the through hole of the compression plate, the compression plate is abutted against the steel rail, and the connecting nut is rotated at the moment, so that the connecting nut is in threaded connection with the connecting screw rod until the connecting nut is abutted against the compression plate, and the fixation of the compression plate is realized; through the setting of connecting screw rod and coupling nut, help realizing the fixed of pressure strip, fixed reliable, and simple to operate.

Optionally, the pressure strip upper surface is provided with the friction gasket, the diameter of friction gasket is greater than coupling nut's diameter, set up the gasket hole that supplies the connecting screw rod to pass on the friction gasket, coupling nut butt is on the friction gasket.

By adopting the technical scheme, the friction gasket is arranged on the upper surface of the compacting plate; through the setting of friction pad, help increasing the area of contact between coupling nut and the pressure strip, reduce contact pressure, reduce the possibility of the pressure strip surface scratch when coupling nut screws up, reduce coupling nut and connecting screw rod simultaneously and appear not hard up possibility.

Optionally, the cross-section of through-hole inner wall is the U type, the through-hole is offered towards the width direction of pressure strip.

Through adopting above-mentioned technical scheme, through the setting of through-hole shape, through the U type of through-hole inner wall cross-section, help realizing the regulation of pressure strip position, be convenient for realize the fixed to the rail, fixed reliable guarantees the pressure strip to the tight effect of support of rail.

In summary, the present utility model includes at least one of the following beneficial technical effects:

through the arrangement of the compression plate, the elastic compression tongue and the connecting component, the direct contact between the compression plate and the steel rail is avoided, the elastic compression tongue buffers the rigid extrusion generated when the travelling crane passes through the steel rail through elastic deformation, the possibility of deformation or abrasion of the compression plate is reduced, the service life of the compression plate is prolonged, the frequent replacement and maintenance of the compression plate are reduced, meanwhile, the fixation is reliable, the possibility of displacement of the steel rail caused by looseness between the steel rail and the compression plate is reduced, and the safety of the travelling crane when passing through the steel rail is improved;

the arrangement of the mounting cutting and the mounting sliding chute is beneficial to realizing the detachable arrangement of the elastic pressing tongue, is convenient for realizing the disassembly and assembly of the elastic pressing tongue, and is convenient for replacing the elastic pressing tongues with different thicknesses when fixing the steel rails with different specifications, and the operation is convenient;

through the setting of friction pad, help increasing the area of contact between coupling nut and the pressure strip, reduce contact pressure, reduce the possibility of the pressure strip surface scratch when coupling nut screws up, reduce coupling nut and connecting screw rod simultaneously and appear not hard up possibility.

Drawings

Fig. 1 is a schematic structural view of a rail fixing apparatus for rail transit according to an embodiment of the present utility model.

Fig. 2 is a plan view of a rail fixing apparatus for track traffic in an embodiment of the present utility model.

Fig. 3 is a cross-sectional view of a rail fixing apparatus for rail transit in an embodiment of the present utility model.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Reference numerals illustrate: 1. a track foundation plate; 11. a groove; 12. a countersunk hole; 2. a steel rail; 3. a compacting plate; 31. installing a chute; 32. an anti-drop slot; 33. a through hole; 4. elastic tongue pressing; 41. installing cutting bars; 42. an anti-falling wide strip; 43. reserving a cavity; 5. a connection assembly; 51. a connecting screw; 52. a coupling nut; 6. a friction pad; 61. spacer holes.

Description of the embodiments

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a steel rail fixing device for track traffic. Referring to fig. 1, a rail fixing device for rail transit comprises a rail foundation plate 1, a rail 2 is mounted on the rail foundation plate 1, the rail foundation plate 1 is poured inside concrete in the embodiment, the rail 2 consists of a rail head, a rail web and a rail bottom, a groove 11 is formed in the upper surface of the rail foundation plate 1, the rail 2 is embedded on the inner wall of the groove 11, the depth of the groove 11 is smaller than the height of the rail bottom of the rail 2, the position of the rail 2 is limited, the possibility of deflection of the rail 2 is reduced, and the safety of traveling crane passing through the rail 2 is improved.

Referring to fig. 1 and 2, a plurality of compression plates 3 are installed on a track foundation plate 1, in this embodiment, the number of compression plates 3 is four, two compression plates 3 are respectively disposed on two sides of a width direction of a steel rail 2, and a connection assembly 5 for fixing the track foundation plate 1 is installed on each compression plate 3.

Referring to fig. 1 and 3, the connection assembly 5 includes a connection screw 51 and a connection nut 52, a counter bore 12 is formed on the track foundation plate 1, a through hole 33 is formed on the compacting plate 3 in a penetrating manner, the inner wall of the through hole 33 is communicated with the inner wall of the counter bore 12, the connection screw 51 is fixedly installed in the counter bore 12, the connection screw 51 penetrates through the inner wall of the through hole 33 and extends towards the exterior of the compacting plate 3, the connection nut 52 is in threaded connection with the connection screw 51, the section of the inner wall of the through hole 33 in this embodiment is U-shaped, the through hole 33 is formed towards the width direction of the compacting plate 3, and is used for realizing the adjustment of the position of the compacting plate 3, so that the fixing of the steel rail 2 is facilitated, the fixing is reliable, the abutting effect of the compacting plate 3 on the steel rail 2 is ensured, and the installation is convenient.

Referring to fig. 1 and 3, a friction gasket 6 is installed on the upper surface of the compression plate 3, the diameter of the friction gasket 6 is larger than that of the connecting screw rod 51, a gasket hole 61 for the connecting screw rod 51 to pass through is formed in the friction gasket 6 in a penetrating mode, the connecting screw rod 52 is abutted to the friction gasket 6, the contact area between the connecting screw rod 52 and the compression plate 3 is increased, the contact pressure is reduced, the possibility of scratching the surface of the compression plate 3 when the connecting screw rod 52 is screwed is reduced, and meanwhile the possibility of loosening the connecting screw rod 51 and the connecting screw rod 52 is reduced.

Referring to fig. 3 and 4, an elastic pressing tongue 4 is installed at the abutting end of the pressing plate 3, in this embodiment, the elastic pressing tongue 4 is made of rubber material, the elastic pressing tongue 4 abuts against the upper surface of the rail bottom of the steel rail 2 and is used for buffering rigid extrusion generated when a travelling crane passes through the steel rail 2, a reserved cavity 43 is formed in the elastic pressing tongue 4, and is used for improving the elastic deformation capacity of the elastic pressing tongue 4 and guaranteeing the buffering effect of the elastic pressing tongue 4; the end wall of the elastic pressing tongue 4 is integrally formed with an installation cutting 41, the installation cutting 41 is arranged along the length direction of the elastic pressing tongue 4, and an installation chute 31 for installing the cutting 41 is formed in the pressing plate 3, so that the detachable arrangement of the elastic pressing tongue 4 is realized, the elastic pressing tongue 4 is convenient to disassemble and assemble, and the elastic pressing tongues 4 with different thicknesses are convenient to replace when steel rails 2 with different specifications are fixed.

Referring to fig. 4, an end of the installation cutting 41 away from the elastic cutting is integrally formed with an anti-falling wide strip 42, the width of the anti-falling wide strip 42 is larger than that of the installation cutting 41, an anti-falling slot 32 is formed in the bottom wall of the installation chute 31, the installation cutting 41 is inserted on the inner wall of the anti-falling slot 32 and in interference fit with the inner wall of the anti-falling slot 32, so that the stability of installation of the installation cutting 41 is further improved, and the possibility that the installation cutting 41 falls out of the installation chute 31 is reduced.

The implementation principle of the steel rail fixing device for the rail transit provided by the embodiment of the utility model is as follows: when the steel rail 2 is fixed, the steel rail 2 is embedded in the groove 11 of the track foundation plate 1, the compression plate 3 is taken out, the mounting cutting 41 of the elastic compression tongue 4 is aligned with the mounting chute 31 of the compression plate 3, meanwhile, the anti-falling wide strip 42 is inserted into the anti-falling slot 32, so that the elastic compression tongue 4 is fixed on the compression plate 3, the compression plate 3 is placed on the track foundation plate 1, the connecting screw 51 penetrates through the inner wall of the through hole 33, the friction gasket 6 is sleeved on the connecting screw 51, the connecting nut 52 is screwed, the connecting nut 52 is in threaded connection with the connecting screw 51 until the connecting nut 52 is abutted against the compression plate 3, meanwhile, the elastic compression tongue 4 is abutted against the upper surface of the rail bottom of the steel rail 2, and the operation is repeated, so that a plurality of compression plates 3 are fixed on the steel rail 2, and the fixation of the steel rail 2 is realized; through the setting of pressure strip 3, elasticity pressure tongue 4 and coupling assembling 5, avoid the direct contact between pressure strip 3 and the rail 2, thereby elasticity pressure tongue 4 is through the elastic deformation buffering to the rigidity extrusion that produces when the driving passes through rail 2, reduce pressure strip 3 and appear the possibility of deformation or wearing and tearing, extension pressure strip 3's life reduces pressure strip 3's frequent change and maintenance, fixed reliable simultaneously, reduce not hard up between rail 2 and the pressure strip 3 and lead to rail 2 to appear the possibility of displacement, the security when having improved the driving and passing through rail 2.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (6)

1. The utility model provides a rail fixing device for track traffic, includes track foundation plate (1), rail (2) set up on track foundation plate (1), its characterized in that: be provided with a plurality of pressure strips (3) on track foundation board (1), a plurality of pressure strips (3) set up respectively in rail (2) width direction's both sides, the butt end of pressure strips (3) is provided with elasticity tongue (4) that are used for the buffering, elasticity tongue (4) support tightly on rail bottom of rail (2), every all be provided with on pressure strips (3) be used for with track foundation board (1) fixed coupling assembling (5), be provided with installation cutting (41) on the end wall of elasticity tongue (4), installation cutting (41) set up along the length direction of elasticity tongue (4), set up on pressure strips (3) and supply installation cutting (41) to insert installation spout (31) of establishing, the one end that elasticity tongue (4) were kept away from to installation cutting (41) is provided with anticreep wide strip (42), the width of anticreep wide strip (42) is greater than the width of installation cutting (41), be provided with on the diapire of installation spout (31) and install the interference fit on the inner wall (32) of anticreep cutting (32).

2. A rail fastening device for use in rail transit as claimed in claim 1, wherein: a reserved cavity (43) for elastic deformation of the elastic pressing tongue (4) is formed in the elastic pressing tongue (4).

3. A rail fastening device for use in rail transit as claimed in claim 1, wherein: the upper surface of the track foundation plate (1) is provided with a groove (11) for embedding the steel rail (2), and the depth of the groove (11) is smaller than the height of the rail bottom of the steel rail (2).

4. A rail fastening device for use in rail transit as claimed in claim 1, wherein: the connecting assembly (5) comprises a connecting screw rod (51) and a connecting nut (52), a countersunk hole (12) is formed in the track foundation plate (1), a through hole (33) is formed in the compression plate (3) in a penetrating mode, the inner wall of the through hole (33) is communicated with the inner wall of the countersunk hole (12), the connecting screw rod (51) is arranged in the countersunk hole (12), the connecting screw rod (51) penetrates through the inner wall of the through hole (33) and extends towards the outer portion of the compression plate (3), the connecting nut (52) is in threaded connection with the connecting screw rod (51), and the connecting nut (52) abuts against the upper surface of the compression plate (3).

5. A rail fastening device for use in rail transit as claimed in claim 4, wherein: the upper surface of the compaction plate (3) is provided with a friction gasket (6), the diameter of the friction gasket (6) is larger than that of a connecting nut (52), a gasket hole (61) for a connecting screw rod (51) to pass through is formed in the friction gasket (6), and the connecting nut (52) is abutted to the friction gasket (6).

6. A rail fastening device for use in rail transit as claimed in claim 4, wherein: the cross section of the inner wall of the through hole (33) is U-shaped, and the through hole (33) is opened towards the width direction of the compacting plate (3).